Transcript for Gloria Campos and Her Mission to Help Children in Foster Care

career filled with success stories. Every week, Gloria campos of our Dallas affiliate made it her mission to find families for hundreds of children in foster care. She retires tomorrow after 30 years. And last night, on live TV, a surprise and tearful thank you. ABC's John donvan and the woman who is "America strong." Reporter: Gloria campos became a Dallas institution the only way it can be done. By streets her job as more than just a job. For more than 20 years, starting in 1989, she had the Wednesday's child beat, in which each week she brought viewers the story of another kid in foster care, which makes for a lot of weeks. A lot of kids. 350 it is estimated, 75% of whom found adoptive families because of her reporting. And we know Gloria campos has made a difference. Reporter: As part of an in-studio tribute this week, they told the story of one particular Wednesday's child. He was 8 when she featured him, a boy named keonte, a well-spoken kid. I do good in school. Right. And are you friendly or are you shy? Yes, I'm friendly. I'm friendly. Reporter: And an adoption resulted. But as sometimes happens, it didn't work out. At 10 he told Gloria -- I've been moved through different homes. And the adoption didn't go very well. Reporter: But this second appearance led to a second adoption and this one took. Here is keonte with his parents. He is 14 now. And Gloria was on the set when they showed that picture, a pleasant surprise. But then, this. One kid's thanks. Oh, my god. Oh, no. Reporter: But it could be hundreds. When your job is more than just a job. Thanks for believing in me. I'm happy that you're happy. You are, right? Yeah. I'm happy. And you love your family? Yes. Reporter: Because that is "America strong." John donvan, ABC news, Washington. And all of your friends at ABC salute you, Gloria.

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